Home / 922,629.14-1,273,272.45-520,212.50

Finding the Fourth Proportional to 922,629.14, 1,273,272.45 and 520,212.50

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Solution

The fourth proportional to 922,629.14, 1,273,272.45 and 520,212.50 is: 717,918.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,629.14 : 1,273,272.45 = 520,212.50 : x
  2. Step 2: Convert to fraction form
    922,629.14/1,273,272.45 = 520,212.50/x
  3. Step 3: Cross multiply
    922,629.14x = 1,273,272.45 × 520,212.50
  4. Step 4: Simplify right side
    922,629.14x = 662,372,244,395.63
  5. Step 5: Solve for x
    x = 662,372,244,395.63/922,629.14
  6. Step 6: Final answer
    x = 717,918.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.